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Area of Random Figures

If a rectangl...

Question

If a rectangle of area 20 sq cm is placed on a grid paper(1 sq cm each) as shown, then how many complete grids did it cover?

A

20

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B

18

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C

22

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D

16

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Solution

The correct option is A 20

Given,
Area of rectangle = 20 sq cm
Area of each grid = 1 sq cm
$∴$ Number of grids that will count to 20 sq cm(20 × 1 sq cm) = 20

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